/*
 * Copyright (c) 2003-2005, National ICT Australia (NICTA)
 */
/*
 * Copyright (c) 2007 Open Kernel Labs, Inc. (Copyright Holder).
 * All rights reserved.
 *
 * 1. Redistribution and use of OKL4 (Software) in source and binary
 * forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *     (a) Redistributions of source code must retain this clause 1
 *         (including paragraphs (a), (b) and (c)), clause 2 and clause 3
 *         (Licence Terms) and the above copyright notice.
 *
 *     (b) Redistributions in binary form must reproduce the above
 *         copyright notice and the Licence Terms in the documentation and/or
 *         other materials provided with the distribution.
 *
 *     (c) Redistributions in any form must be accompanied by information on
 *         how to obtain complete source code for:
 *        (i) the Software; and
 *        (ii) all accompanying software that uses (or is intended to
 *        use) the Software whether directly or indirectly.  Such source
 *        code must:
 *        (iii) either be included in the distribution or be available
 *        for no more than the cost of distribution plus a nominal fee;
 *        and
 *        (iv) be licensed by each relevant holder of copyright under
 *        either the Licence Terms (with an appropriate copyright notice)
 *        or the terms of a licence which is approved by the Open Source
 *        Initative.  For an executable file, "complete source code"
 *        means the source code for all modules it contains and includes
 *        associated build and other files reasonably required to produce
 *        the executable.
 *
 * 2. THIS SOFTWARE IS PROVIDED ``AS IS'' AND, TO THE EXTENT PERMITTED BY
 * LAW, ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED.  WHERE ANY WARRANTY IS
 * IMPLIED AND IS PREVENTED BY LAW FROM BEING DISCLAIMED THEN TO THE
 * EXTENT PERMISSIBLE BY LAW: (A) THE WARRANTY IS READ DOWN IN FAVOUR OF
 * THE COPYRIGHT HOLDER (AND, IN THE CASE OF A PARTICIPANT, THAT
 * PARTICIPANT) AND (B) ANY LIMITATIONS PERMITTED BY LAW (INCLUDING AS TO
 * THE EXTENT OF THE WARRANTY AND THE REMEDIES AVAILABLE IN THE EVENT OF
 * BREACH) ARE DEEMED PART OF THIS LICENCE IN A FORM MOST FAVOURABLE TO
 * THE COPYRIGHT HOLDER (AND, IN THE CASE OF A PARTICIPANT, THAT
 * PARTICIPANT). IN THE LICENCE TERMS, "PARTICIPANT" INCLUDES EVERY
 * PERSON WHO HAS CONTRIBUTED TO THE SOFTWARE OR WHO HAS BEEN INVOLVED IN
 * THE DISTRIBUTION OR DISSEMINATION OF THE SOFTWARE.
 *
 * 3. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ANY OTHER PARTICIPANT BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*
 * Description:   Assembler macros for RVCT
 */
#ifndef __ARCH__ARM__ASM__RVCT_H__
#define __ARCH__ARM__ASM__RVCT_H__

/* XXX: inline asm hacks */
#define _(x)                    #x
#define __volatile__

/* XXX: bx vs. mov pc, reg hack */
#if defined(ASSEMBLY)
    MACRO
    jump $reg
    bx      $reg
    MEND

    MACRO
    call $reg
    blx     $reg
    MEND
#else
#define jump                    bx
#define call                    blx
#endif

#if defined(ASSEMBLY)
/* Stupid label syntax differences... */
#define LABEL(name)             name

        MACRO
        begin_proc $name
        EXPORT  $name
        ALIGN
$name
        MEND
#define BEGIN_PROC(name)        begin_proc name

#define END_PROC(name)

/* Functions to generate symbols in the output file
 * with correct relocated address for debugging
 */
        MACRO
        traps_begin_marker
        PRESERVE8
        AREA    |.traps.data|, ALIGN=12, CODE, READWRITE
__vector_addr
        MEND
#define TRAPS_BEGIN_MARKER      traps_begin_marker

        MACRO
        vector_word $name, $vname
$vname  EQU     $name - __vector_addr + 0xffff0000
$name
        EXPORT  $vname
        MEND
#define VECTOR_WORD(name)       vector_word name, vector_##name

        MACRO
        begin_proc_traps $name, $vname
$vname  EQU     $name - __vector_addr + 0xffff0000
        EXPORT  $vname
        EXPORT  $name
        ALIGN
$name
        MEND
#define BEGIN_PROC_TRAPS(name)  begin_proc_traps name, vector_##name

#define END_PROC_TRAPS(name)

        MACRO
        begin_proc_kip $name
        EXPORT  $name
        ALIGN
$name
        MEND

#endif
#endif /* __ARCH__ARM__ASM__RVCT_H__ */
